Mobitz I Heart Block Types
There are two forms of second degree heart block.
- Type 1 AV block:
- The time between the contraction of the atria and contraction of the ventricles lengthens, until the electrical impulse does not stimulate the ventricle to contract. This results in a missed heartbeat.
- Type 2 AV block:
Continue to Mobitz I Heart Block Anatomy
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- Silverman ME, Upshaw CB Jr, Lange HW. Woldemar Mobitz and His 1924 classification of second-degree atrioventricular block. Circulation. 2004 Aug 31;110(9):1162-7. 
- Wogan JM, Lowenstein SR, Gordon GS. Second-degree atrioventricular block: Mobitz type II. J Emerg Med. 1993 Jan-Feb;11(1):47-54.